A257575 Continued square root map applied to odd numbers 1,3,5,7,...

1, 8, 5, 0, 2, 5, 3, 1, 2, 8, 8, 2, 5, 9, 1, 4, 2, 8, 8, 9, 1, 2, 1, 4, 5, 1, 9, 7, 3, 5, 9, 9, 9, 3, 7, 4, 7, 9, 4, 1, 6, 1, 7, 9, 9, 4, 5, 1, 1, 5, 3, 0, 4, 9, 8, 5, 1, 1, 7, 2, 1, 8, 5, 0, 4, 2, 5, 6, 1, 1, 6, 7, 3, 6, 5, 8, 4, 1, 2, 5, 2, 4, 3, 5, 7, 7, 6

Offset

1,2

Comments

The continued square root map applied to a sequence b(1), b(2), b(3), ... produces the decimal number sqrt(b(1)+sqrt(b(2)+sqrt(b(3)+sqrt(b(4)+...)))).

Links

Hiroaki Yamanouchi, Table of n, a(n) for n = 1..400

Herman P. Robinson, The CSR Function, Popular Computing (Calabasas, CA), Vol. 4 (No. 35, Feb 1976), pages PC35-3 to PC35-4. Annotated and scanned copy.

Example

1.8502531288259142889121451...

Crossrefs

Cf. A005408 (odd numbers).

Sequence in context: A199374 A289538 A154224 * A154165 A198216 A361260

Adjacent sequences: A257572 A257573 A257574 * A257576 A257577 A257578

Keyword

nonn,cons

Author

N. J. A. Sloane, May 02 2015

Extensions

a(27)-a(87) from Hiroaki Yamanouchi, May 03 2015

Status

approved